CVE-2026-22856

HIGH

8.1

Descricao

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.

Detalhes CVE

Pontuacao CVSS v3.18.1

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/14/2026

Ultima modificacao1/20/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

freerdp:freerdp

Fraquezas (CWE)

CWE-362CWE-416

Referencias

https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1(security-advisories@github.com)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-w842-c386-fxhv(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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